Display screen with a graphical user interface



FIG. 1 is a front view of a first image in a sequence for a display screen with a graphical user interface showing the claimed design; and,

FIG. 2 is a front view of a second image thereof.

The broken line showing of a display screen and graphical user interface is for the purpose of illustrating portions of the article and forms no part of the claimed design.

The appearance of the transitional image sequentially transitions between the images shown in FIGS. 1-2. The process or period in which one image transitions to another image forms no part of the claimed design. 

CLAIM The ornamental design for a display screen with a graphical user interface, as shown and described. 